A novel Zn-based-MOF for efficient CO2 adsorption and conversion under mild conditions
Metadatos
Mostrar el registro completo del ítemEditorial
Elsevier
Materia
CO2 conversion Zn-based-MOF CO2 adsorption Cycloaddition reaction Epoxides Recyclability
Fecha
2021-11-21Referencia bibliográfica
Jesús Tapiador, Catalysis Today, [https://doi.org/10.1016/j.cattod.2021.11.025]
Patrocinador
Regional Government of Madrid ACES2030-CM, S2018/EMT-4319; Ministerio de Ciencia e Innovación; Agencia Estatal de Investigación PGC2018-099296-B-I00Resumen
A novel Zn-based-MOF material, called Zn-URJC-8, containing two different organic linkers, 2-aminoterephtallic
acid and 4,4-bipyridyl, has been synthetized and used for catalytic purposes for the first time. The structure of
Zn-URJC-8 has been determined by single-crystal X-ray diffraction (XRD) showing -NH2 groups inward-facing of
narrow pores, providing the material with excellent properties as CO2 adsorbent. The good results obtained by
means of carbon dioxide adsorption isotherms have demonstrated the high interaction between CO2 and -NH2
groups with a Qst value of 54 kJ/mol at low coverage. The Zn-URJC-8 material also display promising results as
catalyst for CO2 transformation in added value products. Almost complete conversion of epichlorohydrin and
CO2 in cycloaddition reaction has been achieved under mild conditions, and the influence of different radical
groups coordinated to the epoxides has been evaluated on the reaction yield. The recyclability has been also
tested and the structural integrity of the catalyst is maintained after several consecutive reaction cycles.